EUVD-2026-39467Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network-reachable with a low-privilege free-tier builder account (PR:L), no interaction; injected code crosses from the plugin into the server runtime affecting all users, so Scope:Changed with full C/I/A impact.
Primary rating from Vendor (GitHub_M).
CVSS VectorVendor: GitHub_M
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
2DescriptionCVE.org
ToolJet is the open-source foundation am AI-native platform for building and deploying internal tools, workflows and AI agents. Prior to 3.20.178-lts, any authenticated user with builder role (free tier) can overwrite a globally-shared marketplace plugin with arbitrary JavaScript that executes server-side with full Node.js access (require, process). The malicious code runs whenever any user on the instance triggers a query using that plugin - achieving both RCE and supply-chain compromise of the entire ToolJet deployment. This vulnerability is fixed in 3.20.178-lts.
Articles & Coverage 1
AnalysisAI
Stored code injection in ToolJet self-hosted (prior to 3.20.178-lts) lets any authenticated builder-role user - available on the free tier - overwrite a globally-shared marketplace plugin with arbitrary JavaScript that runs server-side with full Node.js capabilities (require, process). Because the poisoned plugin executes whenever any user on the instance runs a query that uses it, a single low-privileged account achieves remote code execution and an instance-wide supply-chain compromise. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated account holding the builder role, which the advisory notes is available on the free tier, lowering the practical barrier substantially (CVSS PR:L). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Signals are largely consistent and point to a genuine high priority for any organization running self-hosted ToolJet with untrusted or numerous builder accounts. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker registers or uses a free-tier builder account on a self-hosted ToolJet instance, opens a globally-shared marketplace plugin, and replaces its logic with JavaScript that uses `require('child_process')` to spawn a reverse shell or exfiltrate environment secrets via `process.env`. The payload lies dormant until any user - including admins - runs a query that invokes the plugin, at which point the code executes server-side with the ToolJet process's privileges. … |
| Remediation | Vendor-released patch: upgrade ToolJet to 3.20.178-lts or later, which fixes the issue (see the advisory at https://github.com/ToolJet/ToolJet/security/advisories/GHSA-jgmf-cw3v-r98x). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Identify all ToolJet self-hosted deployments and verify current versions (Administration > System Settings > Build Version). …
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Same weakness CWE-94 – Code Injection
View allSame technique Code Injection
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External POC / Exploit Code
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